Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 12:01:40 PM (PDT) on Friday, August 1, 2025.
The magnitude 0.9 event occurred 1 km (0 miles) SSE of Home Gardens, CA.
The hypocentral depth is -0.48 km (-0.30 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Friday, August 1, 2025 at 12:01:40 PM (PDT)
Friday, August 1, 2025 at 19:01:40 (UTC)
Distance from Home Gardens, CA - 1 km (0 miles) SSE (147 degrees)
Corona, CA - 5 km (3 miles) E (87 degrees)
Norco, CA - 7 km (4 miles) SSE (155 degrees)
Pedley, CA - 12 km (7 miles) SSW (198 degrees)
Mira Loma, CA - 13 km (8 miles) S (180 degrees)
Coordinates 33 deg. 52.4 min. N (33.873N), 117 deg. 31.0 min. W (117.516W)
Depth -0.48 km (-0.30 miles)
Quality Good
Location Quality Parameters Nst=29, Nph=33, Dmin=9.0 km, Rmss=0.22 sec, Erho=0.36 km, Erzz=0.71 km, Gp=76 degrees
Event ID# ci41250832
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